• SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000 Red Dot Sight SIG Sauer
  • SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000 Red Dot Sight SIG Sauer
  • SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000 Red Dot Sight SIG Sauer
  • SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000 Red Dot Sight SIG Sauer
  • SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000 Red Dot Sight SIG Sauer
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SIG Sauer

SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000

SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle Dot - SOR21000

$799.99 USD
$799.99 USD
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SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle‑Dot - SOR21000

Features

  • Circle‑Dot Reticle – Combines a 2 MOA center dot with a 32 MOA outer circle for rapid target acquisition and precision targeting.
  • 1× Magnification with 30 mm Objective Lens – Provides a broad field of view for quick situational awareness.
  • 15 Brightness Settings – Includes 12 daylight and 3 night-vision compatible illumination levels.
  • MOTAC™ (Motion Activated Illumination) – Activates display when motion is detected, sizing power consumption efficiently.
  • MAGNETAC™ Magnetic On/Off Functionality – Automatically toggles power when holstered or deployed.
  • High-Transmission Aspheric Lens with D.A.R.C.™ Coatings – Ensures bright, clear, and distortion-free sight picture across all lighting.
  • Side-Loading CR2032 Battery Tray – Enables quick, tool-less battery replacement without optic removal.
  • TruHold™ Lockless Zeroing System – Dual spring mechanism that resists recoil shift and holds zero reliably.
  • 7075‑T6 CNC‑Machined Aluminum Housing – Includes both full and half-length steel shrouds for rifle-grade durability.
  • Waterproof and Fog‑Proof – IPX‑7 rated and nitrogen-purged to withstand extreme environmental conditions.
  • Made in the USA with SIG Infinite Guarantee™ – Backed for life (housing/mechanics) and 5 years on electronics.

Technical Specifications for SIG Sauer ROMEO2 Reflex Red Dot Sight - Circle‑Dot - SOR21000

Specification

Details

Manufacturer

SIG Sauer

Model / MPN

ROMEO2 / SOR21000

SKU

SOR21000

UPC

798681647682

Magnification

1×

Objective Lens Diameter

30 mm

Reticle

2 MOA Dot + 32 MOA Circle

Brightness Settings

15 (12 daylight / 3 night vision)

Battery Type

CR2032 (side-loading)

Battery Life

Up to 25,000 hours

Adjustment per Click

1 MOA

Windage / Elevation Range

±50 MOA

Window Size

1.84″ × 1.12″

Housing Material

7075‑T6 Aluminum with steel shrouds

Shrouds Included

Full and half steel protective shrouds

Lens Coatings

D.A.R.C.™ (Dark Adaptive Reticles & Coats)

Waterproof Rating

IPX‑7 (1 m submersible)

Fogproof

Yes – Nitrogen Purged

Weight

~1.58 oz (45 g)

Dimensions (L×W×H)

1.84″ × 1.32″ × 1.12″

Finish

Matte Black

Country of Origin

USA

Warranty

Infinite Guarantee (housing/mechanics); 5-year electronics

Included Accessories

  • SIG Sauer ROMEO2 Reflex Sight – Circle‑Dot
  • Full-length steel shroud with polycarbonate rear
  • Half-length steel shroud
  • CR2032 Battery (pre-installed)
  • Rubber Lens Cover with MAGNETAC™
  • Loaded Chamber Indicator Deflector
  • T-handle torque tool kit with bits
  • Threadlocker
  • Mounting Screws
  • Lens Cleaning Pen
  • User Manual & Warranty Card

SEO Keywords

SIG Sauer ROMEO2, SOR21000, circle-dot red dot, 2 MOA dot + 32 MOA circle, MOTAC reflex sight, MAGNETAC, TruHold zeroing, waterproof pistol optic, SIG Infinite Guarantee, steel-shrouded red dot

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